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THE BEARINGINDEX DIRECTORY

682zz — 2 × 5 × 2.3 mm

BOUNDARY DIMENSIONSUNIT / mm
B = 2.3 mmD = 5 mmd = 2 mm
Boundary dimensions · schematic, not a product photograph or manufacturing drawing.
Ball bearings

682zz

682zz is a ball bearings designation documented on BearingIndex from 1 manufacturer publication. The published boundary dimensions are 2 × 5 × 2.3 mm. The publishing works are in Fujian province, China. Every value below comes from that manufacturer’s own published material, with the date it was recorded.

Bore d
2 mm
Outside D
5 mm
Width B
2.3 mm

Compare the 1 publication

What each manufacturer published.

ManufacturerReference mass (kg)Source recorded
Runstar
682zz
0.00022026-09-24Request

A dash means that manufacturer did not publish the value. Dimensions every source agrees on are shown above rather than repeated per row.

Calculated from the published values.

FigureHow it is obtainedResult
Radial section height(D − d) / 21.5 mm
Mean diameter dm(D + d) / 23.5 mm

Arithmetic on the figures above — not a bearing life calculation for your load case.

The works that publish 682zz.

Runstar

Zhangzhou, Fujian, China

Miniature ball and thrust bearings

Zhangzhou Runshida manufactures miniature and small deep groove ball bearings and flat thrust ball bearings under the Runstar name. Its published company scope gives a bore range of 1–50 mm and includes nonstandard development. Applications span instruments, small motors, appliances, medical equipment and fishing tackle; dimensions and closures still require model-specific confirmation.

Published ranges: Miniature deep groove ball bearings · Small deep groove ball bearings · Flat thrust ball bearings · Nonstandard miniature designs

223 designations documented here · 1 reviewed evidence record · source recorded 2026-09-24

Ask Runstar about 682zz

Applications the publishing works state.

ApplicationStated by
Fishing tackleRunstar
Medical equipmentRunstar
Precision instrumentsRunstar
Small motorsRunstar

Application areas each manufacturer states for its own range. Confirm load, speed, temperature and lubrication for your case.

Not documented by any source here.

Precision class · Internal clearance · Sealing · Material · Cage material · Z class · V class · Dynamic load rating · Static load rating · Limiting speed · Lubrication · Operating temperature · Precision standard · Ring material · Rolling element material · Limiting speed — grease · Limiting speed — oil · Noise / vibration test method · Manufacturer series · Manufacturer suffix · Ball count · Ball diameter.

Ask the manufacturer for these when you enquire.

Other designations with the same 2x5x2.3 mm envelope.

DesignationBearing familyWorks
682-2RSBall bearings1
SF682-2RSBall bearings1
SF682zzBall bearings1

Same envelope, but sealing, internal design, clearance and load capability differ — not interchangeable by default.

Neighbouring designations documented here.

DesignationEnvelope d × D × B (mm)Bearing familyWorks
680010 × 19 × 5Ball bearings5
6800W710 × 19 × 7Deep groove ball1
6800ZZ/2RS10 × 19 × 5Deep groove ball1
680112 × 21 × 5Deep groove ball4
6801ZZ/2RS12 × 21 × 5Deep groove ball1
680215 × 24 × 5Deep groove ball4
6802ZZ/2RS15 × 24 × 5Deep groove ball1
680317 × 26 × 5Deep groove ball4
6803zz17 × 26 × 5Deep groove ball1
6803ZZ/2RS17 × 26 × 5Deep groove ball1
680420 × 32 × 7Deep groove ball5
6804ZZ/2RS20 × 32 × 7Deep groove ball1
680525 × 37 × 7Deep groove ball5
6805ZZ/2RS25 × 37 × 7Deep groove ball1
680630 × 42 × 7Deep groove ball5
6806ZZ/2RS30 × 42 × 7Deep groove ball1
680735 × 47 × 7Deep groove ball3
6807ZZ/2RS35 × 47 × 7Deep groove ball1

Each envelope shown is that designation’s own published size.

Request a quote for 682zz.

Tick the works you want above, then send one enquiry — each manufacturer answers you separately and cannot see the others.

Open your enquiry How sourcing works here →

Figures on this page are each manufacturer’s own published material, recorded on the dates shown. How we check sources →